It cannot be only due to pulmonary T.B. It may be due to upper respiratory tract
infection or lower respiratory tract infection.
You should have Mantoux test
and three days sputum examination to rule out miliary Tuberculosis
. Now have antibiotic such as Levofloxacin
500 mg once daily for 05 days and antitussive syrup such as Acefyl cough syrup.
I hope I am sucessful in solving your query if you have more you can ask me.
Dr. Azhar Sattar